Magento the canonical label layout of the program URL using

This extension adds new links to your page specification Magento head, a more in-depth explanation to see this post. Yards of Joachim Houtman.
You can download or install the extension via Magentoconnect. Put all your questions and comments about this extension [in] yoast. Common domain name format.
Frequently Asked Questions
This plugin works together with the Fooman speedster module?
If you use the canonical URL Magento together with Fooman speedster module, you need to download this overlay typical module.
When downloading, I got an error: "No download ... With the preferred state of "stable", how can i solve this problem?
The reason is that you have a "stable" rather than a "test" preferred. Go to another tab in your Magento download and set the priority to stable "beta" or "alpha". It should work. See below, what it should look like

Magento the canonical label layout of the program URL using